This is a simple CLI utility to determine input/output for efficient slicing and security issues for further analysis. The implementation is based on the basic principle discussed in my article Source Code Analysis - A Beginners Guide.
Example:
mruef@linux:~$ ./scau.sh
Source Code Analysis Utility 3.1
(c) 2007-2020 by Marc Ruef
Syntax of scau: ./scau <language> <files_to_test>
language:
-lc --ansic ANSI C
-la --asp ASP
-lj --java Java
-lp --php PHP